freeglut (./Sculpture): Unable to create direct context rendering for window 'Sculpture: CS148 Assignment 2'
This may hurt performance.
Skipping line: # site x y z index
Skipping line: 
Skipping line: # edge orgsite dsts
Skipping line: 
Skipping line: 
Skipping line: 
minX: -23469 maxX: 21859 minY: -19540 maxY: 19774 minZ: -2 maxZ: 1282
XIO:  fatal IO error 104 (Connection reset by peer) on X server ":0.0"
      after 437 requests (434 known processed) with 0 events remaining.
Usage:
w - toggle wireframe 
s - save a screenshot 
left mouse - orbit
right mouse - zoom
